1141454320 has 20 divisors (see below), whose sum is σ = 2653881480. Its totient is φ = 456581696.

The previous prime is 1141454311. The next prime is 1141454339. The reversal of 1141454320 is 234541411.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7134010 + ... + 7134169.

It is an arithmetic number, because the mean of its divisors is an integer number (132694074).

Almost surely, 2^1141454320 is an apocalyptic number.

1141454320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141454320 is an abundant number, since it is smaller than the sum of its proper divisors (1512427160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1141454320 is a wasteful number, since it uses less digits than its factorization.

1141454320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14268192 (or 14268186 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1141454320 is about 33785.4157884730. The cubic root of 1141454320 is about 1045.0879621934.

Adding to 1141454320 its reverse (234541411), we get a palindrome (1375995731).

The spelling of 1141454320 in words is "one billion, one hundred forty-one million, four hundred fifty-four thousand, three hundred twenty".